CN208384182U - A kind of cascade unit for super-radiance light emitting diode - Google Patents
A kind of cascade unit for super-radiance light emitting diode Download PDFInfo
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- CN208384182U CN208384182U CN201821123332.9U CN201821123332U CN208384182U CN 208384182 U CN208384182 U CN 208384182U CN 201821123332 U CN201821123332 U CN 201821123332U CN 208384182 U CN208384182 U CN 208384182U
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- light emitting
- emitting diode
- radiance light
- control circuit
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Abstract
The utility model belongs to optoelectronic device technical field, discloses a kind of cascade unit for super-radiance light emitting diode, including box body and is placed in the intracorporal control circuit of box, fiber optic bundle, optical-fiber bundling device and optical fiber flange；The box body is equipped with multiple stations for accommodating super-radiance light emitting diode；The control circuit has multiple groups corresponding with the station, and every group of control circuit is correspondingly connected with a super-radiance light emitting diode；The end of described fiber optic bundle one end and the quantity of the station are adapted, and for being correspondingly connected with the super-radiance light emitting diode of each station, the end of the fiber optic bundle other end is connect after the optical-fiber bundling device with optical fiber flange.The beneficial effects of the utility model include: being used cooperatively by multiple super-radiance light emitting diodes and optical-fiber bundling device, multichannel broadband light is combined, to improve output power and increase spectral width, the bad defect of source mass in conventional method is overcome, it is convenient and practical.
Description
Technical field
The utility model relates to optoelectronic device technical fields, more particularly, to a kind of grade for super-radiance light emitting diode
Coupling device.
Background technique
Super-radiance light emitting diode (SLD) rapidly develops in recent years, it is between laser (LD) and light emitting diode
(LED) a kind of semiconductor photoelectric device between has the features such as output power is high, and spectral width is wide, extremely suitable for all
Such as optical coherence tomography (OCT) imaging system and fibre optic gyroscope (FOG) application.But in many applications, single superradiance
Often requirement is not achieved in power or bandwidth to light emitting diode (SLD).Existing solution is to utilize optical fiber using pumping source
Laser principle makes light source, but there are beam qualities bad, many drawbacks such as process complexity.
Utility model content
The purpose of the utility model is to overcome above-mentioned technical deficiencies, propose a kind of grade for super-radiance light emitting diode
Coupling device solves single super-radiance light emitting diode output power in the prior art and bandwidth deficiency, the technology of beam quality difference
Problem.
To reach above-mentioned technical purpose, the technical solution of the utility model provides a kind of for super-radiance light emitting diode
Cascade unit, including box body and it is placed in the intracorporal control circuit of box, fiber optic bundle, optical-fiber bundling device and optical fiber flange；The box body
Equipped with multiple stations for accommodating super-radiance light emitting diode；The control circuit have multiple groups corresponding with the station, every group
Control circuit is correspondingly connected with a super-radiance light emitting diode；It is mutually fitted with the quantity of the station end of described fiber optic bundle one end
It answers, for being correspondingly connected with the super-radiance light emitting diode of each station, the end of the fiber optic bundle other end is through the optical fiber
It is connect after bundling device with optical fiber flange.
Compared with prior art, the beneficial effects of the utility model include: by multiple super-radiance light emitting diodes and light
Fine bundling device is used cooperatively, and multichannel broadband light is combined, and to improve output power and increase spectral width, overcomes biography
The bad defect of source mass, convenient and practical in system method.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the functional block diagram of control circuit；
Fig. 3 is the electrical block diagram of control circuit；
Fig. 4 is the spectrogram for the broadband light that the first super-radiance light emitting diode issues；
Fig. 5 is the spectrogram for the broadband light that the second super-radiance light emitting diode issues；
Fig. 6 is the spectrogram of the broadband light after the utility model merges.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The utility model provides a kind of cascade unit for super-radiance light emitting diode, as shown in Figure 1, including box body
1 and the control circuit 2, fiber optic bundle 3, optical-fiber bundling device 4 and the optical fiber flange 5 that are placed in box body 1.The box body 1 plays protection and consolidates
The effect for determining inner components is internally provided with two the first super-radiance light emitting diodes 6 of receiving and the second superradiation light-emitting two
The station 1.1 of pole pipe 7.The control circuit 2 has multiple groups corresponding with the station 1.1, and every group of control circuit 2 is correspondingly connected with
One super-radiance light emitting diode.The end of described 3 one end of fiber optic bundle and the quantity of the station 1.1 are adapted, i.e., two, use
It is correspondingly connected in the super-radiance light emitting diode with each station 1.1, the end of 3 other end of fiber optic bundle is closed through the optical fiber
It is connect after beam device 4 with optical fiber flange 5.Fiber optic bundle 3 is a branch of for multi beam broadband light to be combined into, and fiber optic bundle 3, which can coil, is fixed on mould
Block box body 1 guarantees the rational deployment for being conducive to part in box body 1 while light guide.Optical fiber flange 5 will be combined into a branch of broadband light
Output outward.
Working principle: it is placed in two super-radiance light emitting diodes (the first superradiance hair in box body 1 on respective station 1.1
Optical diode 6 and the second super-radiance light emitting diode 7) it shines under the control of the control circuit 2 respectively connected respectively, fiber optic bundle
3 by the oriented export of two-way broadband light, and merges under the action of optical-fiber bundling device 4 a branch of, most leads outward through optical fiber flange 5 afterwards
Out, it improves output power and increases spectral width.
The spectrogram of super-radiance light emitting diode 1 as shown in figure 4, super-radiance light emitting diode 2 spectrogram such as Fig. 5 institute
Show, the spectrogram of the broadband light after the cascade unit effect provided through this case is as shown in Figure 6, it is seen that three dB bandwidth and power have
Different degrees of increase.
Preferably, each station 1.1 be equipped with it is heat sink, can auxiliary heat dissipation.
Preferably, the optical fiber flange 5 is FC/APC optical fiber connector.
Preferably, as shown in Figures 2 and 3, the control circuit 2 includes for driving super-radiance light emitting diode
Driving circuit 2.1, and the temperature-control circuit 2.2 for controlling super-radiance light emitting diode internal refrigeration storage device.Driving circuit 2.1
Stable power supply is provided for super-radiance light emitting diode；Temperature-control circuit 2.2 can cooperate inside super-radiance light emitting diode
Semiconductor cooler (TEC) carrys out stabilizing device temperature, and the performance for avoiding variation of ambient temperature from causing super-radiance light emitting diode becomes
Change.
Specific embodiment of the present utility model described above does not constitute the restriction to scope of protection of the utility model.
Any other various changes and modifications that any technical concept according to the present utility model is made should be included in practical
In novel scope of protection of the claims.
Claims (4)
1. a kind of cascade unit for super-radiance light emitting diode, it is characterised in that: including box body and be placed in the intracorporal control of box
Circuit, fiber optic bundle, optical-fiber bundling device and optical fiber flange processed；
The box body is equipped with multiple stations for accommodating super-radiance light emitting diode；
The control circuit has multiple groups corresponding with the station, and every group of control circuit is correspondingly connected with a superradiation light-emitting two
Pole pipe；
The end quantity of described fiber optic bundle one end and the quantity of the station are adapted, and each end is used for super with each station
Radiation light emitting diode is correspondingly connected with, and the end of the fiber optic bundle other end connects after the optical-fiber bundling device with optical fiber flange
It connects.
2. a kind of cascade unit for super-radiance light emitting diode according to claim 1, it is characterised in that: Mei Gesuo
State station be equipped with it is heat sink.
3. a kind of cascade unit for super-radiance light emitting diode according to claim 1, it is characterised in that: the light
Nanofarads orchid is FC/APC optical fiber connector.
4. a kind of cascade unit for super-radiance light emitting diode according to claim 1, it is characterised in that: the control
Circuit processed includes the driving circuit for driving super-radiance light emitting diode, and for controlling system inside super-radiance light emitting diode
The temperature-control circuit of cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821123332.9U CN208384182U (en) | 2018-07-16 | 2018-07-16 | A kind of cascade unit for super-radiance light emitting diode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821123332.9U CN208384182U (en) | 2018-07-16 | 2018-07-16 | A kind of cascade unit for super-radiance light emitting diode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208384182U true CN208384182U (en) | 2019-01-15 |
Family
ID=64962873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821123332.9U Active CN208384182U (en) | 2018-07-16 | 2018-07-16 | A kind of cascade unit for super-radiance light emitting diode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208384182U (en) |
-
2018
- 2018-07-16 CN CN201821123332.9U patent/CN208384182U/en active Active
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